The fungicide is an agent for controlling crop diseases, and the variety should be selected according to different properties, characteristics and modes of action of different types of fungicides.
One is a protective bactericide, which is a preparation used to treat the environment in which plants or plants are located before the pathogen invades. It is necessary to spray the plants before they are exposed to the pathogens or diseases, such as copper preparations (Bordeaux liquid), sulfur preparations (stone sulphur), mancozeb, sensen zinc, gram bacteria, basic sulphuric acid. Copper, killable, seed treatment and soil treatment.
The second is a therapeutic bactericide, which is characterized by systemic susceptibility. When the bactericide is used, the pathogen has invaded the plant or the plant has become ill. At this time, the plant is applied to kill the pathogen or inhibit the pathogen. Growth and development, thereby reducing or eliminating plant diseases. In the early stage of plant disease, the effect will be better.
Huaxian County Plant Protection Station Chen Yipin
ã€Comment】 ã€Print this article】 ã€Close this page】 ã€Large, medium and small】
Ferrite Magnets
Ferrite Magnet,Block Magnets,Magnet With Hole
Jammymag Electronic S&T Co., Ltd. , http://www.xmmagnet.com